Marine Corps Air Ground Combat Center Twentynine Palms, Military training base in southern San Bernardino County, California, USA.
Marine Corps Air Ground Combat Center Twentynine Palms is a military training facility in southern San Bernardino County, California, covering roughly 1000 square miles of desert landscape. The installation uses open terrain with firing ranges and exercise areas designed for tactical maneuvers and combined operations.
The facility was established in 1952 and evolved from an earlier naval air station into a full training center. Over the decades, the grounds expanded several times to meet growing requirements for complex military exercises.
The base maintains specialized training programs including Mojave Viper, preparing military units for combat operations in desert environments.
Access to the grounds is restricted and requires military clearance, as exercises take place throughout the year. Visitors are advised to check in advance whether any public areas or events are available.
The desert terrain includes traces of past volcanic activity and dry lakebeds that now serve as part of the training grounds. Elevation changes range from about 1800 to 4500 feet (550 to 1370 meters), creating shifting climate conditions across the site.
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